Logistic regression models for 2c–3 and 2b-3 reperfusion following one or two failed passes
| First pass strategy | Stent retriever | Contact aspiration | Combined | |||||||||
| Second pass outcome (eTICI) | 2c–3 | 2b–3 | 2c–3 | 2b–3 | 2c–3 | 2b–3 | ||||||
| Strategy | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value |
| Stent retriever | — | — | 1.9 (0.6 to 6.3) | 0.272 | 3.9 (0.8 to 18.0) | 0.080 | 1.3 (0.5 to 3.7) | 0.579 | 1.0 (0.3 to 3.5) | 0.951 | ||
| Contact aspiration | 0.5 (0.2 to 1.3) | 0.142 | 0.3 (0.1 to 0.9) | 0.028 | — | — | 0.4 (0.2 to 1.0) | 0.064 | 0.5 (0.2 to 1.1) | 0.072 | ||
| Combined | 1.1 (0.7 to 1.9) | 0.620 | 0.9 (0.5 to 1.6) | 0.767 | 2.9 (1.6 to 5.5) | <0.001 | 3.3 (1.7 to 6.3) | <0.001 | — | — | ||
| Two first passes strategy | 2 x Stent retriever | 2 x Contact aspiration | 2 x Combined | |||||||||
| Third pass outcome (eTICI) | 2c–3 | 2b–3 | 2c–3 | 2b–3 | 2c–3 | 2b–3 | ||||||
| Strategy | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value | aOR (95% CI) | P value |
| Stent retriever | — | — | 0.5 (0.1 to 3.2) | 0.425 | 1.4 (0.2 to 11.7) | 0.735 | 1.1 (0.3 to 3.7) | 0.571 | 3.0 (0.3 to 28.7) | 0.340 | ||
| Contact aspiration | 0.7 (0.2 to 2.9) | 0.665 | 0.8 (0.3, 2.4) | 0.698 | — | — | 0.3 (0.1 to 0.9) | 0.032 | 0.8 (0.3 to 2.3) | 0.676 | ||
| Combined | 5.3 (1.9 to 14.6) | 0.001 | 1.8 (0.7, 4.3) | 0.210 | 2.7 (1.0 to 7.4) | 0.048 | 2.6 (0.8 to 9.0) | 0.124 | — | — | ||
Models adjusted for age, occlusion location, previous pass eTICI, balloon guide catheter use, and center.
eTICI, extended Thrombolysis in Cerebral Infarction.